/* =========================================================================
   kuczynski.biz — wspólny stylesheet (subpages)
   Paleta i typografia spójne z index.html.
   ========================================================================= */

:root {
  --bg-base: #0A0E1A;
  --bg-surface: #131826;
  --bg-elev: #1A2033;
  --text-primary: #E8EAED;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --accent: #5B8DEF;
  --accent-hover: #7BA5F5;
  --accent-warm: #FFB547;
  --border: #232B3D;
  --border-strong: #2E384F;

  --container-max: 1080px;
  --container-narrow: 760px;
  --pad-x: 24px;
  --pad-y: 64px;

  --ff-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ff-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ff-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

@media (min-width: 768px) {
  :root {
    --pad-x: 48px;
    --pad-y: 96px;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 150ms ease;
}
a:hover { color: var(--accent-hover); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

img { max-width: 100%; height: auto; display: block; }

::selection { background: rgba(91, 141, 239, 0.3); color: var(--text-primary); }

/* === Layout ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.container--narrow { max-width: var(--container-narrow); }

/* === Skip link ========================================================= */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg-base);
  padding: 12px 16px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 100;
}
.skip-link:focus { left: 0; color: var(--bg-base); }

/* === Top breadcrumb / nav bar ========================================= */
.topbar {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: var(--bg-base);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 60px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.topbar__brand {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.topbar__brand:hover { color: var(--accent); }

.crumbs {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.crumbs a { color: var(--text-secondary); }
.crumbs a:hover { color: var(--accent); }
.crumbs__sep { color: var(--text-muted); }
.crumbs__current { color: var(--text-primary); }

/* === Mono helper ====================================================== */
.mono {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}
.mono--muted { color: var(--text-muted); }
.mono--warm  { color: var(--accent-warm); }

/* === Hero (product) =================================================== */
.hero {
  position: relative;
  padding-top: 72px;
  padding-bottom: 64px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91, 141, 239, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 141, 239, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 25%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .hero { padding-top: 96px; padding-bottom: 96px; }
  .hero__inner { grid-template-columns: 160px 1fr; gap: 48px; }
}

.hero__logo {
  width: 96px;
  height: 96px;
  display: block;
}
@media (min-width: 768px) {
  .hero__logo { width: 160px; height: 160px; }
}

.hero__eyebrow { margin: 0 0 20px; display: inline-block; }

.hero__title {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  color: var(--text-primary);
  text-shadow: 0 0 40px rgba(91, 141, 239, 0.15);
}

.hero__sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0 0 36px;
  max-width: 640px;
}

@media (min-width: 768px) {
  .hero__title { font-size: 64px; }
  .hero__sub { font-size: 20px; }
}

/* === Buttons / CTA ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 4px;
  font-family: var(--ff-body);
  font-weight: 500;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-base);
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: var(--bg-base);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.btn__icon { width: 18px; height: 18px; flex-shrink: 0; }

.cta-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.cta-meta {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.6;
}

.cta-meta__sep { margin: 0 8px; color: var(--border-strong); }

.cta-fineprint {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.cta-fineprint a { color: var(--text-secondary); }
.cta-fineprint a:hover { color: var(--accent); }

/* === Generic sections ================================================== */
.section {
  padding-top: var(--pad-y);
  padding-bottom: var(--pad-y);
  border-top: 1px solid var(--border);
}

.section__label { margin: 0 0 16px; }

.section__heading {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 24px;
  color: var(--text-primary);
}
@media (min-width: 768px) {
  .section__heading { font-size: 36px; }
}

.section__lead {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 0 48px;
}

/* === Feature grid ====================================================== */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) {
  .features { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .features { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}

.feature {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px;
  transition: border-color 200ms ease;
}
.feature:hover { border-color: var(--border-strong); }

.feature__icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature__title {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.005em;
  margin: 0 0 10px;
  color: var(--text-primary);
}

.feature__desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* === Callout / info / warning ========================================= */
.callout {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 15px;
  color: var(--text-secondary);
}

.callout--warning { border-left-color: var(--accent-warm); }

.callout__label {
  display: block;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.callout--warning .callout__label { color: var(--accent-warm); }

.callout p { margin: 0; }
.callout p + p { margin-top: 10px; }
.callout strong { color: var(--text-primary); font-weight: 600; }

/* === Connection list (przezroczystość) ================================= */
.connlist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 768px) {
  .connlist { grid-template-columns: 1fr 1fr; gap: 16px; }
}

.connlist__item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.connlist__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.connlist__host {
  font-family: var(--ff-mono);
  font-size: 14px;
  color: var(--text-primary);
  word-break: break-all;
}

/* === Audience card ==================================================== */
.audience {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 768px) {
  .audience { grid-template-columns: 1fr 1fr; gap: 40px; }
}

.audience__col h3 {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 16px;
  margin: 0 0 12px;
  color: var(--text-primary);
}
.audience__col p { margin: 0; color: var(--text-secondary); font-size: 15px; }
.audience__yes h3::before {
  content: '+ ';
  color: var(--accent);
  font-family: var(--ff-mono);
}
.audience__no h3::before {
  content: '− ';
  color: var(--accent-warm);
  font-family: var(--ff-mono);
}

/* === Documentation: TOC =============================================== */
.doc-toc {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px 28px;
  margin: 0 0 56px;
}

.doc-toc__title {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 14px;
}

.doc-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.doc-toc__list ol {
  list-style: none;
  padding: 6px 0 0 16px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 1px solid var(--border);
}

.doc-toc__list a {
  color: var(--text-secondary);
  font-size: 14px;
}
.doc-toc__list a:hover { color: var(--accent); }

.doc-toc__group {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

/* === Documentation: steps ============================================= */
.doc-group {
  margin: 64px 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.doc-group:first-of-type { padding-top: 0; border-top: none; margin-top: 0; }

.doc-group__label {
  margin: 0 0 8px;
}

.doc-group__heading {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 32px;
  color: var(--text-primary);
}

.doc-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0 0 48px;
}

@media (min-width: 768px) {
  .doc-step {
    grid-template-columns: 64px 1fr;
    gap: 24px;
  }
}

.doc-step__num {
  font-family: var(--ff-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 4px;
  font-weight: 400;
}

.doc-step__body { min-width: 0; }

.doc-step__title {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.005em;
  margin: 0 0 14px;
  color: var(--text-primary);
}

.doc-step__body p {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.65;
}
.doc-step__body p:last-child { margin-bottom: 0; }
.doc-step__body strong { color: var(--text-primary); font-weight: 600; }
.doc-step__body code {
  font-family: var(--ff-mono);
  font-size: 0.9em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text-primary);
}

.doc-step__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.doc-step__list li {
  position: relative;
  padding: 4px 0 4px 22px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}
.doc-step__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

/* Step figure (screenshot) */
.figure {
  margin: 16px 0 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  display: block;
}
.figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 3px;
}
.figure figcaption {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 8px 4px;
}

a.figure { transition: border-color 200ms ease; }
a.figure:hover { border-color: var(--accent); }
a.figure:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Figure modifier — naturalna skala (screeny aplikacji nie powiększane) */
.figure--natural { text-align: center; padding: 12px; }
.figure--natural img {
  display: inline-block;
  width: auto;
  max-width: 100%;
  height: auto;
}
.figure--natural figcaption { text-align: left; }

/* Showcase (główny obraz produktu pod hero) */
.showcase {
  padding-top: 0;
  padding-bottom: var(--pad-y);
}
.showcase .figure--natural {
  margin: 0;
  padding: 16px;
}
@media (min-width: 768px) {
  .showcase .figure--natural { padding: 24px; }
}

/* === Sub-nagłówki wewnątrz doc-group (poza systemem doc-step) ========== */
.doc-subheading {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.005em;
  margin: 40px 0 16px;
  color: var(--text-primary);
}
.doc-prose {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.65;
  margin: 0 0 16px;
}
.doc-prose strong { color: var(--text-primary); font-weight: 600; }
.doc-prose code {
  font-family: var(--ff-mono);
  font-size: 0.9em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text-primary);
}

.doc-fieldlist {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.doc-fieldlist li {
  position: relative;
  padding: 6px 0 6px 22px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}
.doc-fieldlist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 1px;
  background: var(--accent);
}
.doc-fieldlist strong { color: var(--text-primary); font-weight: 600; }

/* === SMTP cards grid ================================================== */
.smtp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 8px 0 0;
}
@media (min-width: 768px) {
  .smtp-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}

.smtp-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
}

.smtp-card__name {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.005em;
  margin: 0 0 4px;
  color: var(--text-primary);
}
.smtp-card__tagline {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 18px;
}

.smtp-card dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  margin: 0 0 4px;
}
.smtp-card dt {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-top: 3px;
}
.smtp-card dd {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--ff-mono);
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
}
.smtp-card__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}
.smtp-card__note strong { color: var(--text-primary); font-weight: 600; }
.smtp-card__note code {
  font-family: var(--ff-mono);
  font-size: 0.95em;
  color: var(--text-primary);
}

/* === Markers (placeholdery szablonu wiadomości) ====================== */
.markers {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 24px;
  margin: 12px 0 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 18px 22px;
}
.markers dt {
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--accent);
  padding-top: 2px;
}
.markers dd {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

/* Combobox-style enum list (wartości w polu Authentication, SSL-Type itp.) */
.enum-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}
.enum-list li {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 3px;
}
.enum-list li.is-default {
  border-color: var(--accent);
  color: var(--accent);
}

/* === Footer ============================================================ */
.footer {
  padding-top: 64px;
  padding-bottom: 48px;
  border-top: 1px solid var(--border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 48px;
    align-items: start;
  }
}

.footer__block-label {
  display: block;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.footer__value {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}
.footer__value a { color: var(--text-secondary); }
.footer__value a:hover { color: var(--accent); }
.footer__value + .footer__value { margin-top: 6px; }

/* === Animations ======================================================= */
@keyframes pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* === Utility =========================================================== */
.u-mt-0 { margin-top: 0; }
.u-mb-0 { margin-bottom: 0; }